TDA8809T Datasheet, PDF (9/16 Pages) NXP Semiconductors – Radial error signal processor for compact disc players

Philips Semiconductors
Radial error signal processor for compact
disc players
Product specification
TDA8809T
SYMBOL
PARAMETER
High-pass filter (C_HPF)
V_CHPF
Voltage level at I_CHPF = 0
Transresistance
∆^-----(^---I-∆-_R^---V_e^---₁^-C---–^H----PI--_R^-F---_e^---₂^--)^--
from Re1, Re2 to C_HPF
∆^-----(^---I-∆-_R^---V_e^---₁^-C---+^-H---P-I--_RF^---_e^---₂^---)^--
Z_CHPF
Input impedance
Low-pass filter (C_LPF)
V_CLPF
Z_CLPF
Voltage level at I_CLPF = 0
Input impedance
RElag output
Output voltage range
V_RElag
V_RElag
I_RElag
I_RElag
Z_RElag
V_{RElag offset}
Maximum source
current output
Maximum sink
current output
Output impedance
Offset (V_RElag−V_ref)
Transfer lag → RElag
V----V-_{R---lE-a---lg-a---g-}
SR
Slew rate
RElag output amplifier
CONDITIONS
MIN.
TYP.
MAX. UNIT
I_Re1 = I_Re2 = 0;
I_CLPF = 0
V_P−0,82 V_P−0,72 V_P−0,62 V
I_Re1 + I_Re2 = −200 µA
−200
(5)
200
Ω
6,2
8,8
11,5
kΩ
−
8
−
kΩ
I_Re1 = I_Re2 = 0
4,7
−
V_P
V
−
8
−
kΩ
I_RElag = −200 µA;
V_lag = 4,25 V
V_P−1,1 −
−
V
I_RElag = 200 µA;
V_lag = 0,9 V
−
−
1,1
V
V_lag = 4,1 V
−6,0
−3,5
−1,0
mA
V_lag = 0,9 V
f = < 10 kHz
2,5
4,1
5,5
mA
−
−
50
Ω
lag short-circuit on;
lag hold on
−10
−
10
mV
f = < 10 kHz;
lag short-circuit off;
lag hold on
−5%
1
5%
lag short-circuit off;
lag hold on
−
0,4
−
V/µs
November 1987
9